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Finding the Fourth Proportional to 92,471.57, 127,494.58 and 75,458.53

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Solution

The fourth proportional to 92,471.57, 127,494.58 and 75,458.53 is: 104,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,471.57 : 127,494.58 = 75,458.53 : x
  2. Step 2: Convert to fraction form
    92,471.57/127,494.58 = 75,458.53/x
  3. Step 3: Cross multiply
    92,471.57x = 127,494.58 × 75,458.53
  4. Step 4: Simplify right side
    92,471.57x = 9,620,553,082.38
  5. Step 5: Solve for x
    x = 9,620,553,082.38/92,471.57
  6. Step 6: Final answer
    x = 104,037.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.